12931476 has 48 divisors (see below), whose sum is σ = 32524800. Its totient is φ = 3985632.

The previous prime is 12931459. The next prime is 12931487. The reversal of 12931476 is 67413921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9145 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (677600).

Almost surely, 2^12931476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12931476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16262400).

12931476 is an abundant number, since it is smaller than the sum of its proper divisors (19593324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12931476 is a wasteful number, since it uses less digits than its factorization.

12931476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 12931476 is about 3596.0361510975. The cubic root of 12931476 is about 234.7196052155.

The spelling of 12931476 in words is "twelve million, nine hundred thirty-one thousand, four hundred seventy-six".